1: # The LearningOnline Network with CAPA
2: # definition of tags that give a structure to a document
3: #
4: # $Id: bridgetask.pm,v 1.53 2005/09/22 22:25:35 albertel Exp $
5: #
6: # Copyright Michigan State University Board of Trustees
7: #
8: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
9: #
10: # LON-CAPA is free software; you can redistribute it and/or modify
11: # it under the terms of the GNU General Public License as published by
12: # the Free Software Foundation; either version 2 of the License, or
13: # (at your option) any later version.
14: #
15: # LON-CAPA is distributed in the hope that it will be useful,
16: # but WITHOUT ANY WARRANTY; without even the implied warranty of
17: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18: # GNU General Public License for more details.
19: #
20: # You should have received a copy of the GNU General Public License
21: # along with LON-CAPA; if not, write to the Free Software
22: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23: #
24: # /home/httpd/html/adm/gpl.txt
25: #
26: # http://www.lon-capa.org/
27: #
28: ###
29:
30:
31: package Apache::bridgetask;
32:
33: use strict;
34: use Apache::lonnet;
35: use Apache::File();
36: use Apache::lonmenu;
37: use Apache::lonlocal;
38: use Apache::lonxml;
39: use Apache::slotrequest();
40: use Time::HiRes qw( gettimeofday tv_interval );
41:
42: BEGIN {
43: &Apache::lonxml::register('Apache::bridgetask',('Task','IntroParagraph','Dimension','Instance','InstanceText','Criteria','ClosingParagraph'));
44: }
45:
46: sub initialize_bridgetask {
47: # id of current Dimension, 0 means that no dimension is current
48: # (inside <Task> only)
49: $Apache::bridgetask::dimension='';
50: # list of all Dimension ids seen
51: @Apache::bridgetask::dimensionlist=();
52: # mandatory attribute of all Dimensions seen
53: %Apache::bridgetask::dimensionmandatory=();
54: # list of all current Instance ids
55: @Apache::bridgetask::instance=();
56: # list of all Instance ids seen in this problem
57: @Apache::bridgetask::instancelist=();
58: # key of queud user data that we are currently grading
59: $Apache::bridgetask::queue_key='';
60: }
61:
62: sub proctor_check_auth {
63: my ($slot_name,$slot)=@_;
64: my $user=$env{'form.proctorname'};
65: my $domain=$env{'form.proctordomain'};
66:
67: my @allowed=split(",",$slot->{'proctor'});
68: foreach my $possible (@allowed) {
69: my ($puser,$pdom)=(split('@',$possible));
70: if ($puser eq $user && $pdom eq $domain) {
71: my $authhost=&Apache::lonnet::authenticate($puser,$env{'form.proctorpassword'},$pdom);
72: if ($authhost ne 'no_host') {
73: my $version=
74: $Apache::lonhomework::results{'resource.version'}=
75: ++$Apache::lonhomework::history{'resource.version'};
76: $Apache::lonhomework::results{"resource.$version.checkedin"}=
77: $user.'@'.$domain;
78: $Apache::lonhomework::results{"resource.$version.checkedin.slot"}=
79: $slot_name;
80: foreach my $key (keys(%Apache::lonhomework::history)) {
81: if ($key=~/^resource\.0\./) {
82: $Apache::lonhomework::results{$key}='';
83: }
84: }
85: return 1;
86: }
87: }
88: }
89: return 0;
90: }
91:
92: sub get_version {
93: my ($version,$previous);
94: if ($env{'form.previousversion'} &&
95: $env{'form.previousversion'} ne 'current' &&
96: defined($Apache::lonhomework::history{'resource.'.$env{'form.previousversion'}.'.status'})) {
97: $version=$env{'form.previousversion'};
98: $previous=1;
99: } else {
100: $version=$Apache::lonhomework::history{'resource.version'};
101: $previous=0;
102: }
103: if (wantarray) {
104: return ($version,$previous);
105: }
106: return $version;
107: }
108:
109: sub add_previous_version_button {
110: my ($status)=@_;
111: my $result;
112: if ($Apache::lonhomework::history{'resource.version'} eq '') {
113: return '';
114: }
115: if ($Apache::lonhomework::history{'resource.version'} < 2 &&
116: $status ne 'NEEDS_CHECKIN') {
117: return '';
118: }
119: my $version=&get_version();
120: if ($env{'form.previousversion'} ne '' &&
121: $env{'form.previousversion'} eq $version) {
122: $result.="<h3>".&mt("Showing previous version [_1]",$version).
123: "</h3>\n";
124: }
125: my @to_show;
126: foreach my $test_version (1..$Apache::lonhomework::history{'resource.version'}) {
127: if (defined($Apache::lonhomework::history{'resource.'.$test_version.'.status'})) {
128: push(@to_show,$test_version);
129: }
130: }
131: my $list='<option>'.
132: join("</option>\n<option>",@to_show).
133: "</option>\n";
134: $list.='<option value="current">'.&mt('Current').'</option>';
135: $result.='<form name="getprevious" method="POST" action="';
136: my $uri=$env{'request.uri'};
137: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
138: $result.=$uri.'">'.
139: &mt(' Show a previously done version: [_1]','<select onchange="this.form.submit()" name="previousversion">
140: <option>'.&mt('Pick one').'</option>
141: '.$list.'
142: </select>')."</form>";
143: return $result;
144: }
145:
146: sub add_grading_button {
147: my $result=' <input type="submit" name="gradeasubmission" value="'.
148: &mt("Get a submission to grade").'" />';
149: $result.='<input type="hidden" name="grade_target" value="webgrade" />';
150: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
151: my ($entries,$ready,$locks)=&get_queue_counts('gradingqueue');
152: $result.='<p>'.&mt("Grading Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
153:
154: $result.=' <input type="submit" name="reviewagrading" value="'.
155: &mt("Select an entry from the grading queue").'" /> </p>'."\n";
156:
157: ($entries,$ready,$locks)=&get_queue_counts('reviewqueue');
158: $result.='<p>'.&mt("Review Queue has [_1] entries. [_2] of them are ready to be graded and [_3] of them are currently being graded",$entries,$ready,$locks);
159: $result.=' <input type="submit" name="reviewasubmission" value="'.
160: &mt("Select an entry from the review queue").'" /> </p>'."\n";
161: $result.=' <input type="submit" name="regradeasubmission" value="'.
162: &mt("Select a user to regrade.").'" /> </p>'."\n";
163: }
164: return $result;
165: }
166:
167: sub add_request_another_attempt_button {
168: my ($text)=@_;
169: if (!$text) { $text="Request another attempt"; }
170: my $result;
171: my $symb=&Apache::lonnet::symbread();
172: my ($slot_name,$slot)=&Apache::slotrequest::check_for_reservation($symb);
173: my $action='get_reservation';
174: if ($slot_name) {
175: $text="Change reservation.";
176: $action='change_reservation';
177: my $description=&Apache::slotrequest::get_description($slot_name,
178: $slot);
179: $result.=(<<STUFF);
180: <p> Will be next available: $description </p>
181: STUFF
182: }
183:
184: if ($env{'request.enc'}) { $symb=&Apache::lonenc::encrypted($symb); }
185: $symb=&Apache::lonnet::escape($symb);
186: $result.='<form method="POST" action="/adm/slotrequest">'.
187: '<input type="hidden" name="symb" value="'.$symb.'" />'.
188: '<input type="hidden" name="command" value="'.$action.'" />'.
189: '<input type="submit" name="requestattempt" value="'.
190: &mt($text).'" />'.
191: '</form>';
192: return $result;
193: }
194:
195: sub preserve_grade_info {
196: my $result;
197: # if we are viewing someone else preserve that info
198: if (defined $env{'form.grade_symb'}) {
199: foreach my $field ('symb','courseid','domain','username') {
200: $result .= '<input type="hidden" name="grade_'.$field.
201: '" value="'.$env{"form.grade_$field"}.'" />'."\n";
202: }
203: }
204: return $result;
205: }
206:
207: sub style {
208: return (<<STYLE);
209: <style type="text/css">
210: .fail, .pass, .neutral {
211: position: relative;
212: margin : 5px;
213: margin-bottom :10px;
214: padding : 4px;
215: padding-left : 75px;
216: border : thin solid;
217: font-weight : bolder;
218: font-size: smaller;
219: font-family: Arial;
220: background-color : rgb(255,240,225);
221: }
222:
223: .fail h4, .pass h4 {
224: position:absolute;
225: left: -4px;
226: top: -8px;
227: padding:2px;
228: margin:0;
229: background-color : rgb(255,240,225);
230: border : thin solid;
231: }
232:
233: .fail {
234: color: red;
235: }
236:
237: .pass {
238: color : green;
239: }
240:
241: .neutral {
242: color : blue;
243: }
244:
245: .question {
246: border : thin solid black;
247: padding : 4px;
248: margin-bottom : 1em;
249: }
250:
251: .grade {
252: font-size: x-large;
253: font-family: Arial;
254: position:absolute;
255: left: 5px;
256: top: -5px;
257: width: 70px;
258: }
259:
260: div#feedback h1 {
261: color : inherit;
262: }
263: </style>
264: STYLE
265:
266: }
267:
268: sub start_Task {
269: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
270:
271: my ($status,$accessmsg,$slot);
272: if ($target ne 'webgrade') {
273: &Apache::structuretags::initialize_storage();
274: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
275: }
276:
277: $Apache::lonhomework::parsing_a_task=1;
278: #should get back a <html> or the neccesary stuff to start XML/MathML
279: my ($result,$head_tag_start,$body_tag_start,$form_tag_start)=
280: &Apache::structuretags::page_start($target,$token,$tagstack,$parstack,$parser,$safeeval);
281:
282: if ($target eq 'web') {
283: if ($Apache::lonhomework::modifygrades) {
284: $body_tag_start.='<form name="gradesubmission" method="POST" action="';
285: my $uri=$env{'request.uri'};
286: if ($env{'request.enc'}) { $uri=&Apache::lonenc::encrypted($uri); }
287: $body_tag_start.=$uri.'">'.&add_grading_button()."</form>";
288: my $symb=&Apache::lonnet::symbread();
289: if (&Apache::lonnet::allowed('mgq',$env{'request.course.id'})) {
290: $body_tag_start.='<form method="POST" action="/adm/slotrequest">'.
291: '<input type="hidden" name="symb" value="'.$symb.'" />'.
292: '<input type="hidden" name="command" value="showslots" />'.
293: '<input type="submit" name="requestattempt" value="'.
294: &mt('Show Slot list').'" />'.
295: '</form>';
296: }
297: }
298: }
299: if ($target eq 'web' || ($target eq 'grade' && !$env{'form.webgrade'}) || $target eq 'answer' ||
300: $target eq 'tex') {
301: my ($version,$previous)=&get_version();
302: ($status,$accessmsg,my $slot_name,$slot) =
303: &Apache::lonhomework::check_task_access('0');
304: push(@Apache::inputtags::status,$status);
305: $Apache::inputtags::slot_name=$slot_name;
306: my $expression='$external::datestatus="'.$status.'";';
307: $expression.='$external::gradestatus="'.$Apache::lonhomework::history{"resource.$version.solved"}.'";';
308: &Apache::run::run($expression,$safeeval);
309: &Apache::lonxml::debug("Got $status");
310: $body_tag_start.=&add_previous_version_button($status);
311: if (!$previous && (
312: ( $status eq 'CLOSED' ) ||
313: ( $status eq 'BANNED') ||
314: ( $status eq 'UNAVAILABLE') ||
315: ( $status eq 'NOT_IN_A_SLOT') ||
316: ( $status eq 'NEEDS_CHECKIN') ||
317: ( $status eq 'WAITING_FOR_GRADE') ||
318: ( $status eq 'INVALID_ACCESS') )) {
319: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
320: if ( $target eq "web" ) {
321: $result.= $head_tag_start.'</head>'.$body_tag_start;
322: my $msg;
323: if ($status eq 'UNAVAILABLE') {
324: $msg.='<h1>'.&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'</h1>';
325: } elsif ($status eq 'NOT_IN_A_SLOT') {
326: $msg.='<h1>'.&mt('You are not currently signed up to work at this time and/or place.').'</h1>';
327: $msg.=&add_request_another_attempt_button("Sign up for time to work.");
328: } elsif ($status eq 'NEEDS_CHECKIN') {
329: $msg.='<h1>'.&mt('You need the Proctor to validate you.').
330: '</h1>'.&proctor_validation_screen($slot);
331: } elsif ($status eq 'WAITING_FOR_GRADE') {
332: $msg.='<h1>'.&mt('Your submission is in the grading queue.').'</h1>';
333: } elsif ($status ne 'NOT_YET_VIEWED') {
334: $msg.='<h1>'.&mt('Not open to be viewed').'</h1>';
335: }
336: if ($status eq 'CLOSED' || $status eq 'INVALID_ACCESS') {
337: $msg.='The problem '.$accessmsg;
338: }
339: $result.=$msg.'<br />';
340: } elsif ($target eq 'tex') {
341: $result.='\begin{document}\noindent \vskip 1 mm \begin{minipage}{\textwidth}\vskip 0 mm';
342: if ($status eq 'UNAVAILABLE') {
343: $result.=&mt('Unable to determine if this resource is open due to network problems. Please try again later.').'\vskip 0 mm ';
344: } else {
345: $result.=&mt('Problem is not open to be viewed. It')." $accessmsg \\vskip 0 mm ";
346: }
347: } elsif ($target eq 'grade' && !$env{'form.webgrade'}) {
348: if ($status eq 'NEEDS_CHECKIN') {
349: &proctor_check_auth($slot_name,$slot);
350: }
351: }
352: } elsif ($target eq 'web') {
353: my $name= &Apache::structuretags::get_resource_name($parstack,$safeeval);
354: $result.="$head_tag_start<title>$name</title></head>
355: $body_tag_start \n".&style();
356:
357: my ($version,$previous)=&get_version();
358: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
359: $result.='<h1><font color="red">'.&mt('Did not pass').'</font></h1>';
360: if (!$previous) {
361: $result.=&add_request_another_attempt_button();
362: }
363: }
364: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass') {
365: $result.='<h1><font color="green">'.&mt('Passed').'</font></h1>';
366: }
367: $result.=$form_tag_start.
368: '<input type="hidden" name="submitted" value="yes" />';
369: $result.=&preserve_grade_info();
370:
371: }
372: } elsif ( ($target eq 'grade' && $env{'form.webgrade'}) ||
373: $target eq 'webgrade') {
374: my $webgrade='yes';
375: if ($target eq 'webgrade') {
376: $result.=$head_tag_start.$body_tag_start;
377: #$result.='<br />Review'.&show_queue('reviewqueue');
378: #$result.='<br />Grade'.&show_queue('gradingqueue');
379: }
380: # FIXME Blast! still need to reorg this, need to reshow the
381: # queue being reviewed once done with the grade pass...
382: # Hrrm, vaildation pass should perhaps say 'not_locked'
383: # perhaps do a search if there is a key that is mine and if
384: # there isn't reshow the queue....
385: my ($todo,$status_code)=&get_key_todo($target);
386:
387: &Apache::lonnet::logthis("got todo -$todo- stat -$status_code-");
388: if ($todo) {
389: &setup_env_for_other_user($todo,$safeeval);
390: my ($symb,$uname,$udom)=&decode_queue_key($todo);
391: $result.="\n".'<table><tr><td>Found '.
392: &Apache::lonnet::gettitle($symb).' for '.$uname.' at '.$udom.'</td></tr></table>';
393: $form_tag_start.=
394: '<input type="hidden" name="gradingkey" value="'.
395: &Apache::lonnet::escape($todo).'" />';
396: $Apache::bridgetask::queue_key=$todo;
397: &Apache::structuretags::initialize_storage();
398: &Apache::lonhomework::showhash(%Apache::lonhomework::history);
399: if ($target eq 'webgrade') {
400: #$result.='<br />After -'.&show_queue($env{'form.queue'});
401: $result.="\n".'<table width="100%" style="width:100%" border="1">';
402: if ($status_code eq 'selected') {
403: $form_tag_start.=
404: '<input type="hidden" name="queuemode" value="selected" />';
405: }
406: }
407: } else {
408: if ($target eq 'webgrade') {
409: $result.="\n";
410: if ($status_code eq 'stop') {
411: $result.='<b>'.&mt("Stopped grading.").'</b>';
412: } elsif ($status_code eq 'lock_failed') {
413: $result.='<b>'.&mt("Failed to lock the request record.").'</b>';
414: } elsif ($status_code eq 'unlock') {
415: $result.='<b>'.&mt("Unlocked the requested record.").'</b>';
416: $result.=&show_queue($env{'form.queue'},1);
417: } elsif ($status_code eq 'show_list') {
418: $result.=&show_queue($env{'form.queue'},1);
419: } elsif ($status_code eq 'select_user') {
420: $result.=&select_user();
421: } else {
422: $result.='<b>'.&mt("No user to be graded.").'</b>';
423: }
424: }
425: $webgrade='no';
426: my $bodytext=&Apache::lonxml::get_all_text("/task",$parser);
427: }
428: if ($target eq 'webgrade' && defined($env{'form.queue'})) {
429: $result.=$form_tag_start;
430: $result.='<input type="hidden" name="webgrade" value="'.
431: $webgrade.'" />';
432: $result.='<input type="hidden" name="queue" value="'.
433: $env{'form.queue'}.'" />';
434: if ($env{'form.regrade'}) {
435: $result.='<input type="hidden" name="regrade" value="'.
436: $env{'form.regrade'}.'" />';
437: }
438: }
439: } else {
440: # page_start returned a starting result, delete it if we don't need it
441: $result = '';
442: }
443: return $result;
444: }
445:
446: sub get_key_todo {
447: my ($target)=@_;
448: my $todo;
449:
450: if (defined($env{'form.reviewasubmission'})) {
451: &Apache::lonnet::logthis("review a submission....");
452: $env{'form.queue'}='reviewqueue';
453: return (undef,'show_list');
454: }
455:
456: if (defined($env{'form.reviewagrading'})) {
457: &Apache::lonxml::debug("review a grading....");
458: $env{'form.queue'}='gradingqueue';
459: return (undef,'show_list');
460: }
461:
462: if (defined($env{'form.regradeasubmission'})) {
463: &Apache::lonxml::debug("regrade a grading....");
464: $env{'form.queue'}='none';
465: return (undef,'select_user');
466: }
467:
468: my $queue=$env{'form.queue'};
469:
470: if (!defined($queue)) {
471: $env{'form.queue'}=$queue='gradingqueue';
472: }
473:
474: my $gradingkey=&Apache::lonnet::unescape($env{'form.gradingkey'});
475:
476: if ($env{'form.queue'} eq 'none') {
477: if (defined($env{'form.gradingkey'})) {
478: if ($target eq 'webgrade') {
479: if ($env{'form.stop'}) {
480: return (undef,'stop');
481: } elsif ($env{'form.next'}) {
482: return (undef,'show_list');
483: }
484: }
485: return ($gradingkey,'selected');
486: } else {
487: return (undef,'show_list');
488: }
489: }
490: if (defined($env{'form.queue'}) && defined($env{'form.gradingkey'})
491: && !defined($env{'form.gradingaction'})
492: && $env{'form.queuemode'} eq 'selected') {
493:
494: my $who=&queue_key_locked($queue,$gradingkey);
495: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
496: if ($who eq $me) {
497: &Apache::lonxml::debug("Found a key was given to me");
498: return ($gradingkey,'selected');
499: } else {
500: return (undef,'show_list');
501: }
502:
503: }
504:
505: if ($target eq 'webgrade' && $env{'form.queuemode'} eq 'selected') {
506: if ($env{'form.gradingaction'} eq 'resume') {
507: delete($env{'form.gradingaction'});
508: &Apache::lonxml::debug("Resuming a key");
509: return ($gradingkey);
510: } elsif ($env{'form.gradingaction'} eq 'unlock') {
511: &Apache::lonxml::debug("Unlocking a key ".
512: &check_queue_unlock($queue,$gradingkey,1));
513: return (undef,'unlock');
514: } elsif ($env{'form.gradingaction'} eq 'select') {
515: &Apache::lonxml::debug("Locking a key");
516: if (&lock_key($queue,$gradingkey)) {
517: &Apache::lonxml::debug("Success $queue");
518: return ($gradingkey);
519: }
520: &Apache::lonxml::debug("Failed $queue");
521: return (undef,'lock_failed');
522: }
523: }
524:
525: if ($env{'form.queuemode'} ne 'selected') {
526: # don't get something new from the queue if they hit the stop button
527: if (!($env{'form.stop'} && $target eq 'webgrade')
528: && !$env{'form.gradingaction'}) {
529: &Apache::lonxml::debug("Getting anew $queue");
530: return (&get_from_queue($queue));
531: } else {
532: return (undef,'stop');
533: }
534: }
535: return (undef,undef)
536: }
537:
538: sub end_Task {
539: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
540: my $result='';
541: my $status=$Apache::inputtags::status['-1'];
542: my ($version,$previous)=&get_version();
543: if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' ||
544: $target eq 'tex') {
545: if (
546: (($target eq 'web') && ($env{'request.state'} ne 'construct')) ||
547: ($target eq 'answer') || ($target eq 'tex')
548: ) {
549: if ($target eq 'web') {
550: if ($status eq 'CAN_ANSWER' && !$previous) {
551: $result.="\n".'<table border="1">'.
552: &Apache::inputtags::file_selector("$version.0",
553: "bridgetask","*",
554: 'portfolioonly',
555: '
556: <h2>'.&mt('Submit Portfolio Files for Grading').'</h2>
557: <p>'.&mt('Indicate the files from your portfolio to be evaluated in grading this task.').'</p>').
558: "</table>";
559: $result.=&Apache::inputtags::gradestatus('0');
560: }
561: }
562: if ($target eq 'web' || $target eq 'webgrade') {
563: $result.=&Apache::lonxml::xmlend().'</html>';
564: }
565: }
566: if ($target eq 'grade' && !$env{'form.webgrade'} && !$previous) {
567: my $award='SUBMITTED';
568: &Apache::essayresponse::file_submission("$version.0",'bridgetask',
569: 'portfiles',\$award);
570: if ($award eq 'SUBMITTED' &&
571: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}) {
572: $Apache::lonhomework::results{"resource.0.tries"}=
573: $Apache::lonhomework::results{"resource.$version.0.tries"}=
574: 1+$Apache::lonhomework::history{"resource.$version.0.tries"};
575:
576: $Apache::lonhomework::results{"resource.0.award"}=
577: $Apache::lonhomework::results{"resource.$version.0.award"}=
578: $award;
579: $Apache::lonhomework::results{"resource.0.submission"}=
580: $Apache::lonhomework::results{"resource.$version.0.submission"}='';
581: }
582: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
583: &Apache::structuretags::finalize_storage();
584: if ($award eq 'SUBMITTED') {
585: &add_to_queue('gradingqueue',$Apache::inputtags::slot_name);
586: }
587: }
588: if ($target eq 'grade' && $env{'form.webgrade'} eq 'yes') {
589: my $optional_required=
590: &Apache::lonxml::get_param('OptionalRequired',$parstack,
591: $safeeval);
592: my $optional_passed=0;
593: my $mandatory_failed=0;
594: my $ungraded=0;
595: my $review=0;
596: &Apache::lonhomework::showhash(%Apache::lonhomework::results);
597: foreach my $dim_id (@Apache::bridgetask::dimensionlist) {
598: my $status=
599: $Apache::lonhomework::results{"resource.$version.$dim_id.status"};
600: my $mandatory=
601: ($Apache::bridgetask::dimensionmandatory{$dim_id} ne 'N');
602: if ($status eq 'pass') {
603: if (!$mandatory) { $optional_passed++; }
604: } elsif ($status eq 'fail') {
605: if ($mandatory) { $mandatory_failed++; }
606: } elsif ($status eq 'ungraded') {
607: $ungraded++;
608: } elsif ($status eq 'review') {
609: $review++;
610: } else {
611: $ungraded++;
612: }
613: }
614: if ($optional_passed < $optional_required) {
615: $mandatory_failed++;
616: }
617: &Apache::lonxml::debug("all dim ".join(':',@Apache::bridgetask::dimensionlist)."results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
618: $Apache::lonhomework::results{'resource.grader'}=
619: $env{'user.name'}.'@'.$env{'user.domain'};
620: if ($review) {
621: $Apache::lonhomework::results{"resource.$version.status"}='review';
622: if ($env{'form.queue'} eq 'reviewqueue') {
623: &check_queue_unlock($env{'form.queue'});
624: &Apache::lonxml::debug(" still needs review not changing status.");
625: } else {
626: &move_between_queues($env{'form.queue'},'reviewqueue');
627: }
628: } elsif ($ungraded) {
629: $Apache::lonhomework::results{"resource.$version.status"}='ungraded';
630: if ($env{'form.queue'} eq 'reviewqueue' ||
631: $env{'form.queue'} eq 'none' ) {
632: &Apache::lonxml::debug("moving back.");
633: &move_between_queues($env{'form.queue'},'gradingqueue');
634: } else {
635: &check_queue_unlock($env{'form.queue'});
636: }
637: } elsif ($mandatory_failed) {
638: $Apache::lonhomework::results{"resource.$version.status"}='fail';
639: $Apache::lonhomework::results{"resource.$version.0.solved"}='incorrect_by_override';
640: $Apache::lonhomework::results{"resource.$version.0.award"}='INCORRECT';
641: $Apache::lonhomework::results{"resource.$version.0.awarded"}='0';
642: &remove_from_queue($env{'form.queue'});
643:
644: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
645:
646: if ($env{'form.regrade'} ne 'yes') {
647: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
648: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
649: &Apache::grades::version_portfiles(
650: \%Apache::lonhomework::results,
651: ["$version.0.bridgetask"],$courseid,
652: $symb,$udom,$uname,
653: ["$version.0.bridgetask"]);
654: }
655: } else {
656: $Apache::lonhomework::results{"resource.$version.status"}='pass';
657: $Apache::lonhomework::results{"resource.$version.0.solved"}='correct_by_override';
658: $Apache::lonhomework::results{"resource.$version.0.award"}='EXACT_ANS';
659: $Apache::lonhomework::results{"resource.$version.0.awarded"}='1';
660: &remove_from_queue($env{'form.queue'});
661:
662: my ($symb,$courseid,$udom,$uname)=&Apache::lonxml::whichuser();
663: if ($env{'form.regrade'} ne 'yes') {
664: $Apache::lonhomework::results{"resource.$version.0.bridgetask.portfiles"}=
665: $Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"};
666: &Apache::grades::version_portfiles(
667: \%Apache::lonhomework::results,
668: ["$version.0.bridgetask"],$courseid,
669: $symb,$udom,$uname,
670: ["$version.0.bridgetask"]);
671: }
672: }
673: $Apache::lonhomework::results{"resource.status"}=
674: $Apache::lonhomework::results{"resource.$version.status"};
675: if (defined($Apache::lonhomework::results{"resource.$version.0.awarded"})) {
676: $Apache::lonhomework::results{"resource.0.award"}=
677: $Apache::lonhomework::results{"resource.$version.0.award"};
678: $Apache::lonhomework::results{"resource.0.awarded"}=
679: $Apache::lonhomework::results{"resource.$version.0.awarded"};
680: $Apache::lonhomework::results{"resource.0.solved"}=
681: $Apache::lonhomework::results{"resource.$version.0.solved"};
682: }
683: &Apache::structuretags::finalize_storage();
684: }
685: } elsif ($target eq 'webgrade') {
686: $result.="</table>\n<hr />";
687: #$result.='<input type="submit" name="next" value="'.
688: # &mt('Save & Next').'" /> ';
689: #$result.='<input type="submit" name="end" value="'.
690: # &mt('Save & Stop Grading').'" /> ';
691: #$result.='<input type="submit" name="throwaway" value="'.
692: # &mt('Throw Away & Stop Grading').'" /> ';
693: #$result.='<input type="submit" name="save" value="'.
694: # &mt('Save Partial Grade and Continue Grading').'" /> ';
695: $result.='</form>'.&Apache::loncommon::endbodytag().'</html>';
696: } elsif ($target eq 'meta') {
697: $result.='<parameter part="0" package="Task"></parameter>'."\n";
698: #$result.=&Apache::response::meta_part_order();
699: #$result.=&Apache::response::meta_response_order();
700: }
701: undef($Apache::lonhomework::parsing_a_task);
702: return $result;
703: }
704:
705: sub move_between_queues {
706: my ($src_queue,$dest_queue)=@_;
707: my $cur_data;
708: if ($src_queue ne 'none') {
709: $cur_data=&get_queue_data($src_queue);
710: if (!$cur_data) { return 'not_exist'; }
711: } else {
712: $cur_data = ['none'];
713: }
714: my $result=&add_to_queue($dest_queue,$cur_data->[0]);
715: if ($result ne 'ok') {
716: return $result;
717: }
718: &check_queue_unlock($src_queue);
719: return &remove_from_queue($src_queue);
720: }
721:
722: sub check_queue_unlock {
723: my ($queue,$key,$allow_not_me)=@_;
724: if ($queue eq 'none') { return 'ok'; }
725: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
726: if (!defined($key)) {
727: $key="$symb\0queue\0$uname\@$udom";
728: }
729: my $cnum=$env{'course.'.$cid.'.num'};
730: my $cdom=$env{'course.'.$cid.'.domain'};
731: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
732: my $who=&queue_key_locked($queue,$key,$cdom,$cnum);
733: if ($who eq $me) {
734: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
735: } elsif ($allow_not_me) {
736: &Apache::lonxml::debug("unlocking $who by $me");
737: return &Apache::lonnet::del($queue,["$key\0locked"],$cdom,$cnum);
738: }
739: return 'not_owner';
740: }
741:
742: sub remove_from_queue {
743: my ($queue)=@_;
744: if ($queue eq 'none') { return 'ok'; }
745: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
746: my $cnum=$env{'course.'.$cid.'.num'};
747: my $cdom=$env{'course.'.$cid.'.domain'};
748: my $key="$symb\0queue\0$uname\@$udom";
749: my @keys=($key,"$key\0locked");
750: return &Apache::lonnet::del($queue,\@keys,$cdom,$cnum);
751: }
752:
753: sub setup_env_for_other_user {
754: my ($queue_key,$safeeval)=@_;
755: my ($symb,$uname,$udom)=&decode_queue_key($queue_key);
756: &Apache::lonxml::debug("setup_env for $queue_key");
757: $env{'form.grade_symb'}=$symb;
758: $env{'form.grade_domain'}=$udom;
759: $env{'form.grade_username'}=$uname;
760: $env{'form.grade_courseid'}=$env{'request.course.id'};
761: &Apache::lonxml::initialize_rndseed($safeeval);
762: }
763:
764: sub get_queue_data {
765: my ($queue)=@_;
766: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
767: my $cnum=$env{'course.'.$cid.'.num'};
768: my $cdom=$env{'course.'.$cid.'.domain'};
769: my $todo="$symb\0queue\0$uname\@$udom";
770: my ($key,$value)=&Apache::lonnet::get($queue,[$todo],$cdom,$cnum);
771: if ($key eq $todo && ref($value)) {
772: return $value;
773: }
774: return undef;
775: }
776:
777: sub check_queue_for_key {
778: my ($cid,$queue,$todo)=@_;
779: my $cnum=$env{'course.'.$cid.'.num'};
780: my $cdom=$env{'course.'.$cid.'.domain'};
781: my %results=
782: &Apache::lonnet::get($queue,[$todo,"$todo\0locked"],$cdom,$cnum);
783:
784: if (exists($results{$todo}) && ref($results{$todo})) {
785: if (defined($results{"$todo\0locked"})) {
786: return 'locked';
787: }
788: return 'enqueued';
789: }
790: return undef;
791: }
792:
793: sub add_to_queue {
794: my ($queue,$slot_name)=@_;
795: if ($queue eq 'none') { return 'ok'; }
796: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
797: my $cnum=$env{'course.'.$cid.'.num'};
798: my $cdom=$env{'course.'.$cid.'.domain'};
799: my %data;
800: $data{"$symb\0queue\0$uname\@$udom"}=[$slot_name];
801: return &Apache::lonnet::put($queue,\%data,$cdom,$cnum);
802: }
803:
804: sub show_queue {
805: my ($queue,$with_selects)=@_;
806: my $result;
807: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
808: my $cnum=$env{'course.'.$cid.'.num'};
809: my $cdom=$env{'course.'.$cid.'.domain'};
810: my $regexp="^$symb\0";
811: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
812: my ($tmp)=%queue;
813: if ($tmp=~/^error: 2 /) {
814: return "\n<h3>Current Queue - $queue</h3><table border='1'><tr><td>Empty</td></tr></table>";
815: }
816: $result.="\n<h3>Current Queue - $queue </h3><table border='1'><tr>";
817: if ($with_selects) { $result.="<th></th>"; }
818: $result.="<th>resource</th><th>user</th><th>type</th><th>data</th></tr>";
819: foreach my $key (sort(keys(%queue))) {
820: if ($key=~/locked$/ && !$with_selects) {
821: my ($symb,$uname,$udom) = &decode_queue_key($key);
822: my $title=&Apache::lonnet::gettitle($symb);
823: $result.="<tr><td>$title</td><td>$uname</td>";
824: $result.='<td>lock</td><td>'.$queue{$key}.'</td></tr>';
825: } elsif ($key=~/timestamp$/ && !$with_selects) {
826: my ($symb,undef) = split("\0",$key);
827: my $title=&Apache::lonnet::gettitle($symb);
828: $result.="<tr><td>$title</td><td></td>";
829: $result.='<td>last queue modification time</td><td>'.
830: &Apache::lonlocal::locallocaltime($queue{$key})."</td></tr>";
831: } elsif ($key!~/(timestamp|locked)$/) {
832: my ($symb,$uname,$udom) = &decode_queue_key($key);
833: my $title=&Apache::lonnet::gettitle($symb);
834: $result.="<tr>";
835: my $slot=$queue{$key}->[0];
836: my %slot_data=&Apache::lonnet::get_slot($slot);
837: if ($with_selects) {
838: my $ekey=&Apache::lonnet::escape($key);
839: my ($action,$description)=('select',&mt('Select'));
840: if (exists($queue{"$key\0locked"})) {
841: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
842: if ($me eq $queue{"$key\0locked"}) {
843: ($action,$description)=('resume',&mt('Resume'));
844: } else {
845: ($action,$description)=('unlock',&mt('Unlock'));
846: }
847: }
848: if (time > $slot_data{'endtime'}) {
849: $result.=(<<FORM);
850: <td>
851: <form method="POST">
852: <input type="hidden" name="gradingkey" value="$ekey" />
853: <input type="hidden" name="queue" value="$queue" />
854: <input type="hidden" name="gradingaction" value="$action" />
855: <input type="hidden" name="webgrade" value="no" />
856: <input type="hidden" name="queuemode" value="selected" />
857: <input type="submit" name="submit" value="$description" />
858: </form>
859: </td>
860: FORM
861:
862: } else {
863: $result.='<td>'.&mt("In Progress").'</td>'
864: }
865: }
866: $result.="<td>$title</td><td>$uname</td>";
867: $result.='<td>queue entry</td><td>Slot: '.$slot.' End time: '.
868: &Apache::lonlocal::locallocaltime($slot_data{'endtime'}).
869: "</td></tr>";
870: }
871: }
872: $result.="</table><hr />\n";
873: return $result;
874: }
875:
876: sub get_queue_counts {
877: my ($queue)=@_;
878: my $result;
879: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
880: my $cnum=$env{'course.'.$cid.'.num'};
881: my $cdom=$env{'course.'.$cid.'.domain'};
882: my $regexp="^$symb\0";
883: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
884: my ($tmp)=%queue;
885: if ($tmp=~/^error: 2 /) {
886: return (0,0,0);
887: }
888: my ($entries,$ready_to_grade,$locks)=(0,0,0);
889: foreach my $key (sort(keys(%queue))) {
890: if ($key=~/locked$/) {
891: $locks++;
892: } elsif ($key=~/timestamp$/) {
893: #ignore
894: } elsif ($key!~/(timestamp|locked)$/) {
895: my ($symb,$uname,$udom) = &decode_queue_key($key);
896: $entries++;
897: my $slot=$queue{$key}->[0];
898: my %slot_data=&Apache::lonnet::get_slot($slot);
899: if (time > $slot_data{'endtime'}) {
900: $ready_to_grade++;
901: }
902: }
903: }
904: return ($entries,$ready_to_grade,$locks);
905: }
906:
907: sub encode_queue_key {
908: my ($symb,$udom,$uname)=@_;
909: return "$symb\0queue\0$uname\@$udom";
910: }
911:
912: sub decode_queue_key {
913: my ($key)=@_;
914: my ($symb,undef,$user) = split("\0",$key);
915: my ($uname,$udom) = split('@',$user);
916: return ($symb,$uname,$udom);
917: }
918:
919: sub queue_key_locked {
920: my ($queue,$key,$cdom,$cnum)=@_;
921: if (!defined($cdom) || !defined($cnum)) {
922: my (undef,$cid)=&Apache::lonxml::whichuser();
923: $cnum=$env{'course.'.$cid.'.num'};
924: $cdom=$env{'course.'.$cid.'.domain'};
925: }
926: my ($key_locked,$value)=
927: &Apache::lonnet::get($queue,["$key\0locked"],$cdom,$cnum);
928: if ($key_locked eq "$key\0locked") {
929: return $value;
930: }
931: return undef;
932: }
933:
934: sub pick_from_queue_data {
935: my ($queue,$check_section,$queuedata,$cdom,$cnum)=@_;
936: foreach my $key (keys(%$queuedata)) {
937: my ($symb,$uname,$udom)=&decode_queue_key($key);
938: if ($check_section) {
939: my $section=&Apache::lonnet::getsection($uname,$udom);
940: if ($section eq $check_section) {
941: &Apache::lonxml::debug("my sec");
942: next;
943: }
944: }
945: my $slot=$queuedata->{$key}[0];
946: my %slot_data=&Apache::lonnet::get_slot($slot);
947: if ($slot_data{'endtime'} > time) {
948: &Apache::lonxml::debug("not time");
949: next;
950: }
951: if (&queue_key_locked($queue,$key,$cdom,$cnum)) {
952: &Apache::lonxml::debug("someone already has um.");
953: next;
954: }
955: return $key;
956: }
957: return undef;
958: }
959:
960: sub find_mid_grade {
961: my ($queue,$symb,$cdom,$cnum)=@_;
962: my $todo=&Apache::lonnet::unescape($env{'form.gradingkey'});
963: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
964: if ($todo) {
965: my $who=&queue_key_locked($queue,$todo,$cdom,$cnum);
966: if ($who eq $me) { return $todo; }
967: }
968: my $regexp="^$symb\0.*\0locked\$";
969: my %locks=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
970: foreach my $key (keys(%locks)) {
971: my $who=$locks{$key};
972: if ($who eq $me) {
973: $todo=$key;
974: $todo=~s/\0locked$//;
975: return $todo;
976: }
977: }
978: return undef;
979: }
980:
981: sub lock_key {
982: my ($queue,$todo)=@_;
983: my $me=$env{'user.name'}.'@'.$env{'user.domain'};
984: my (undef,$cid)=&Apache::lonxml::whichuser();
985: my $cnum=$env{'course.'.$cid.'.num'};
986: my $cdom=$env{'course.'.$cid.'.domain'};
987: my $success=&Apache::lonnet::newput($queue,{"$todo\0locked"=> $me},
988: $cdom,$cnum);
989: &Apache::lonxml::debug("success $success $todo");
990: if ($success eq 'ok') {
991: return 1;
992: }
993: return 0;
994: }
995:
996: sub get_from_queue {
997: my ($queue)=@_;
998: my $result;
999: my ($symb,$cid,$udom,$uname)=&Apache::lonxml::whichuser();
1000: my $cnum=$env{'course.'.$cid.'.num'};
1001: my $cdom=$env{'course.'.$cid.'.domain'};
1002: my $todo=&find_mid_grade($queue,$symb,$cdom,$cnum);
1003: &Apache::lonxml::debug("found ".join(':',&decode_queue_key($todo)));
1004: if ($todo) { return $todo; }
1005: while (1) {
1006: my $starttime=time;
1007: &Apache::lonnet::put($queue,{"$symb\0timestamp"=>$starttime},
1008: $cdom,$cnum);
1009: &Apache::lonxml::debug("$starttime");
1010: my $regexp="^$symb\0queue\0";
1011: my %queue=&Apache::lonnet::dump($queue,$cdom,$cnum,$regexp);
1012: #make a pass looking for a user _not_ in my section
1013: if ($env{'request.course.sec'}) {
1014: &Apache::lonxml::debug("sce");
1015: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1016: \%queue,$cdom,$cnum);
1017: &Apache::lonxml::debug("sce $todo");
1018: }
1019: # no one _not_ in our section so look for any user that is
1020: # ready for grading
1021: if (!$todo) {
1022: &Apache::lonxml::debug("no sce");
1023: $todo=&pick_from_queue_data($queue,$env{'request.course.sec'},
1024: \%queue,$cdom,$cnum);
1025: &Apache::lonxml::debug("no sce $todo");
1026: }
1027: # no user to grade
1028: if (!$todo) { last; }
1029: &Apache::lonxml::debug("got $todo");
1030: # otherwise found someone so lets try to lock them
1031: # unless someone else already picked them
1032: if (!&lock_key($queue,$todo)) { next; }
1033: my (undef,$endtime)=
1034: &Apache::lonnet::get($queue,["$symb\0timestamp"],
1035: $cdom,$cnum);
1036: &Apache::lonxml::debug("emd $endtime");
1037: # someone else already modified the queue,
1038: # perhaps our picked user wass already fully graded between
1039: # when we picked him and when we locked his record? so lets
1040: # double check.
1041: if ($endtime != $starttime) {
1042: my ($key,$value)=
1043: &Apache::lonnet::get($queue,["$todo"],
1044: $cdom,$cnum);
1045: &Apache::lonxml::debug("check $key .. $value");
1046: if ($key eq $todo && ref($value)) {
1047: } else {
1048: &Apache::lonnet::del($queue,["$todo\0locked"],
1049: $cdom,$cnum);
1050: &Apache::lonxml::debug("del");
1051: next;
1052: }
1053: }
1054: &Apache::lonxml::debug("last $todo");
1055: last;
1056: }
1057: return $todo;
1058: }
1059:
1060: sub select_user {
1061: my ($symb,$cid)=&Apache::lonxml::whichuser();
1062: my $result.='<table border="1">';
1063:
1064: &Apache::grades::init_perm();
1065: my ($classlist,$section,$fullname)=&Apache::grades::getclasslist('all',);
1066: &Apache::grades::reset_perm();
1067:
1068: foreach my $student (sort {lc($$fullname{$a}) cmp lc($$fullname{$b}) } keys %$fullname) {
1069: my ($uname,$udom) = split(/:/,$student);
1070: my %status = &get_student_status($symb,$cid,$udom,$uname);
1071: my $queue = 'none';
1072: if ($status{'reviewqueue'} eq 'enqueued') {
1073: $queue = 'reviewqueue';
1074: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1075: $queue = 'gradingqueue';
1076: }
1077: my $todo =
1078: &Apache::lonnet::escape(&encode_queue_key($symb,$udom,$uname));
1079: $result.=<<RESULT;
1080: <tr>
1081: <td>
1082: <form method="POST">
1083: <input type="hidden" name="gradingkey" value="$todo" />
1084: <input type="hidden" name="queue" value="$queue" />
1085: <input type="hidden" name="webgrade" value="no" />
1086: <input type="hidden" name="regrade" value="yes" />
1087: <input type="submit" name="submit" value="Regrade" />
1088: </form>
1089: <td>$fullname->{$student}</td>
1090: <td>
1091: RESULT
1092:
1093: if ($status{'status'} eq 'pass') {
1094: $result .= '<font color="green">'.&mt('Passed').'</font>';
1095: } elsif ($status{'status'} eq 'fail') {
1096: $result .= '<font color="red">'.&mt('Failed').'</font>';
1097: } elsif ($status{'status'} eq 'review') {
1098: $result .= '<font color="blue">'.&mt('Under Review').'</font>';
1099: } elsif ($status{'status'} eq 'ungraded') {
1100: $result .= &mt('Ungraded');
1101: } elsif ($status{'status'} ne '') {
1102: $result .= '<font color="orange">'.&mt('Unknown Status').'</font>';
1103: } else {
1104: $result.=" ";
1105: }
1106: if ($status{'version'}) {
1107: $result .= ' '.&mt('Version').' '.$status{'version'};
1108: }
1109: $result.= '</td><td>';
1110: if ($status{'reviewqueue'} eq 'enqueued') {
1111: $result .= &mt('Awaiting Review');
1112: } elsif ($status{'reviewqueue'} eq 'locked') {
1113: $result .= &mt('Under Review');
1114: } elsif ($status{'gradingqueue'} eq 'enqueued') {
1115: $result .= &mt('Awaiting Grading');
1116: } elsif ($status{'gradingqueue'} eq 'locked') {
1117: $result .= &mt('Being Graded');
1118: } else {
1119: $result.=" ";
1120: }
1121: $result.= '</td></tr>';
1122: }
1123: $result.='</table>';
1124: return $result;
1125: }
1126:
1127: sub get_student_status {
1128: my ($symb,$cid,$udom,$uname)=@_;
1129: my %record = &Apache::lonnet::restore($symb,$env{'request.course.id'},
1130: $udom,$uname);
1131: my %status;
1132: $status{'status'}=$record{'resource.status'};
1133: $status{'version'}=$record{'resource.version'};
1134: $status{'grader'}=$record{'resource.grader'};
1135: $status{'reviewqueue'}=&check_queue_for_key($cid,'reviewqueue',
1136: &encode_queue_key($symb,$udom,$uname));
1137: $status{'gradingqueue'}=&check_queue_for_key($cid,'gradingqueue',
1138: &encode_queue_key($symb,$udom,$uname));
1139: return %status;
1140: }
1141:
1142: sub start_ClosingParagraph {
1143: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1144: my $result;
1145: if ($target eq 'web') {
1146: } elsif ($target eq 'webgrade') {
1147: &Apache::lonxml::startredirection();
1148: }
1149: return $result;
1150: }
1151:
1152: sub end_ClosingParagraph {
1153: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1154: my $result;
1155: if ($target eq 'web') {
1156: } elsif ($target eq 'webgrade') {
1157: &Apache::lonxml::endredirection();
1158: }
1159: return $result;
1160: }
1161:
1162: sub get_id {
1163: my ($parstack,$safeeval)=@_;
1164: my $id=&Apache::lonxml::get_param('id',$parstack,$safeeval);
1165: if (!$id) { $id=$Apache::lonxml::curdepth; }
1166: return $id;
1167: }
1168:
1169: my %dimension;
1170: sub start_Dimension {
1171: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1172: undef(%dimension);
1173: my $dim_id=&get_id($parstack,$safeeval);
1174: $Apache::bridgetask::dimension=$dim_id;
1175: push(@Apache::bridgetask::dimensionlist,$dim_id);
1176: undef(@Apache::bridgetask::instance);
1177: $Apache::bridgetask::dimensionmandatory{$dim_id}=
1178: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1179: return '';
1180: }
1181:
1182: sub get_instance {
1183: &Apache::response::pushrandomnumber();
1184: my @order=&Math::Random::random_permutation(@{$dimension{'instances'}});
1185: my $num=@order;
1186: my $version=&get_version();
1187: my $which=($version-1)%$num;
1188: return $order[$which];
1189: }
1190:
1191: {
1192: my $last_link;
1193: sub end_Dimension {
1194: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1195: my $result;
1196: my $dim=&get_id($parstack,$safeeval);
1197: my $instance=&get_instance();
1198: my $version=&get_version();
1199: if ($target eq 'web') {
1200: @Apache::scripttag::parser_env = @_;
1201: $result.=&Apache::scripttag::xmlparse($dimension{'intro'});
1202: @Apache::scripttag::parser_env = @_;
1203: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1204: if ($Apache::lonhomework::history{"resource.$version.status"} eq 'pass' ||
1205: $Apache::lonhomework::history{"resource.$version.status"} eq 'fail') {
1206: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1207: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1208: my $comment=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"};
1209: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1210: if ($mandatory) {
1211: $mandatory='Mandatory';
1212: } else {
1213: $mandatory='Optional';
1214: }
1215: if ($status eq 'fail') {
1216: } elsif ($status eq 'pass') {
1217: } else {
1218: &Apache::lonxml::error("Student viewing a graded bridgetask was shown a status of $status");
1219: }
1220: my $status_display=$status;
1221: $status_display=~s/^([a-z])/uc($1)/e;
1222: $result.='<div class="'.$status.'"><h4>'.$mandatory.
1223: ' Criteria</h4><p>'.
1224: $dimension{$instance.'.criteria.'.$id}.
1225: '</p><p class="grade">'.$status_display.'</p>';
1226: if ($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}) {
1227: $result.='<p class="comment">'.$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}.'</p>';
1228: }
1229: $result.='</div>';
1230: }
1231: }
1232: } elsif ($target eq 'webgrade') {
1233: # in case of any side effects that we need
1234: @Apache::scripttag::parser_env = @_;
1235: &Apache::scripttag::xmlparse($dimension{'intro'});
1236: @Apache::scripttag::parser_env = @_;
1237: &Apache::scripttag::xmlparse($dimension{$instance.'.text'});
1238: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1239: my $link='criteria_'.$instance.'_'.$id;
1240: my $status=$Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.status"};
1241: $result.='<tr><td width="100%" valign="top">'.
1242: '<a name="'.$link.'" />'.
1243: '<a name="next_'.$last_link.'" />'.
1244: '<br /><textarea enabled="false" style="width:100%" rows="8" width="25" wrap="hard">';
1245: @Apache::scripttag::parser_env = @_;
1246: $result.=&Apache::scripttag::xmlparse($dimension{$instance.'.criteria.'.$id});
1247: $result.='</textarea>'.
1248: #$dimension{$instance.'.criteria.'.$id}.
1249: '</td>'.
1250: '<td><nobr>Additional Comment for Student</nobr> <br />'.
1251: '<textarea style="width:100%" rows="8" width="25" wrap="hard" name="HWVAL_comment_'.$link.'">'.&HTML::Entities::encode($Apache::lonhomework::history{"resource.$version.$dim.$instance.$id.comment"}).'</textarea>'.
1252: '</td>'.
1253: '<td>'.
1254: '<nobr><label><input type="radio" name="HWVAL_'.$link.'" value="ungraded" '.($status eq 'ungraded' || !$status ? 'checked="checked"':'').' />'.&mt('Ungraded').'</label></nobr><br />'.
1255: '<label><input type="radio" name="HWVAL_'.$link.'" value="pass" '.($status eq 'pass' ? 'checked="checked"':'').' />'.&mt('Pass').'</label><br />'.
1256: '<label><input type="radio" name="HWVAL_'.$link.'" value="fail" '.($status eq 'fail' ? 'checked="checked"':'').' />'.&mt('Fail').'</label><br />'.
1257: '<label><input type="radio" name="HWVAL_'.$link.'" value="review" '.($status eq 'review' ? 'checked="checked"':'').' />'.&mt('Review').'</label><br />'.
1258: '</td>'.
1259: '<td>'.
1260: '<a href="#'.$last_link.'">Prev</a><br />'.
1261: '<a href="#next_'.$link.'">Next</a><br /><br /><br />'.
1262: '<input type="submit" name="next" value="'.
1263: &mt('Done').'" /> '.
1264: '<input type="submit" name="stop" value="'.
1265: &mt('Stop').'" /> '.
1266: '</td></tr>';
1267: $result.='<tr><td colspan="4">';
1268: my (undef,undef,$udom,$uname) = &Apache::lonxml::whichuser();
1269: my $file_url = '/uploaded/'.$udom.'/'.$uname.'/portfolio/';
1270: foreach my $partial_file (split(',',$Apache::lonhomework::history{"resource.$version.0.bridgetask.portfiles"})) {
1271: my $file=$file_url.$partial_file;
1272: $file=~s|/+|/|g;
1273: &Apache::lonnet::allowuploaded('/adm/bridgetask',$file);
1274: $result.='<nobr><a href="'.$file.'" target="lonGRDs"><img src="'.
1275: &Apache::loncommon::icon($file).'" border=0"> '.$file.
1276: '</a></nobr> ';
1277: }
1278: $result.='</td></tr>';
1279: $last_link=$link;
1280: }
1281: } elsif ($target eq 'grade' && $env{'form.webgrade'}) {
1282: my $optional_passed=0;
1283: my $mandatory_failed=0;
1284: my $ungraded=0;
1285: my $review=0;
1286: foreach my $id (@{$dimension{$instance.'.criterias'}}) {
1287: my $status=$Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.status"}=$env{'form.HWVAL_criteria_'.$instance.'_'.$id};
1288: $Apache::lonhomework::results{"resource.$version.$dim.$instance.$id.comment"}=$env{'form.HWVAL_comment_criteria_'.$instance.'_'.$id};
1289: my $mandatory=($dimension{$instance.'.criteria.'.$id.'.mandatory'} ne 'N');
1290: if ($status eq 'pass') {
1291: if (!$mandatory) { $optional_passed++; }
1292: } elsif ($status eq 'fail') {
1293: if ($mandatory) { $mandatory_failed++; }
1294: } elsif ($status eq 'review') {
1295: $review++;
1296: } elsif ($status eq 'ungraded') {
1297: $ungraded++;
1298: } else {
1299: $ungraded++;
1300: }
1301: }
1302: if ($optional_passed < $dimension{$instance.'.optionalrequired'}) {
1303: $mandatory_failed++;
1304: }
1305: &Apache::lonxml::debug("all instance ".join(':',@{$dimension{$instance.'.criterias'}})." results -> m_f $mandatory_failed o_p $optional_passed u $ungraded r $review");
1306: if ($review) {
1307: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1308: 'review';
1309: } elsif ($ungraded) {
1310: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1311: 'ungraded';
1312: } elsif ($mandatory_failed) {
1313: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1314: 'fail';
1315: } else {
1316: $Apache::lonhomework::results{"resource.$version.$dim.status"}=
1317: 'pass';
1318: }
1319: }
1320: return $result;
1321: }
1322: }
1323:
1324: sub start_IntroParagraph {
1325: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1326: my $result;
1327: if ($target eq 'web' || $target eq 'webgrade') {
1328: if ($tagstack->[-2] eq 'Dimension') {
1329: $dimension{'intro'}=&Apache::lonxml::get_all_text('/introparagraph',$parser);
1330:
1331: } elsif ($target eq 'webgrade') {
1332: &Apache::lonxml::get_all_text('/introparagraph',$parser);
1333: }
1334:
1335: }
1336: return $result;
1337: }
1338:
1339: sub end_IntroParagraph {
1340: }
1341:
1342: sub start_Instance {
1343: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1344: my $id=&get_id($parstack,$safeeval);
1345: push(@{$dimension{'instances'}},$id);
1346: push(@Apache::bridgetask::instance,$id);
1347: push(@Apache::bridgetask::instancelist,$id);
1348: $dimension{$id.'.optionalrequired'}=
1349: &Apache::lonxml::get_param('OptionalRequired',$parstack,$safeeval);
1350: return '';
1351: }
1352:
1353: sub end_Instance {
1354: }
1355:
1356: sub start_InstanceText {
1357: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1358: my $instance_id=$Apache::bridgetask::instance[-1];
1359: my $text=&Apache::lonxml::get_all_text('/instancetext',$parser);
1360: if ($target eq 'web' || $target eq 'webgrade') {
1361: $dimension{$instance_id.'.text'}=$text;
1362: }
1363: return '';
1364: }
1365:
1366: sub end_InstanceText {
1367: return '';
1368: }
1369:
1370: sub start_Criteria {
1371: my ($target,$token,$tagstack,$parstack,$parser,$safeeval)=@_;
1372: my $instance_id=$Apache::bridgetask::instance[-1];
1373: my $criteria=&Apache::lonxml::get_all_text('/criteria',$parser);
1374: if ($target eq 'web' || $target eq 'webgrade' || $target eq 'grade') {
1375: my $id=&get_id($parstack,$safeeval);
1376: $dimension{$instance_id.'.criteria.'.$id}=$criteria;
1377: $dimension{$instance_id.'.criteria.'.$id.'.mandatory'}=
1378: &Apache::lonxml::get_param('Mandatory',$parstack,$safeeval);
1379: push(@{$dimension{$instance_id.'.criterias'}},$id);
1380: }
1381: return '';
1382: }
1383:
1384: sub end_Criteria {
1385: }
1386:
1387: sub proctor_validation_screen {
1388: my ($slot) = @_;
1389: my (undef,undef,$domain,$user) = &Apache::lonxml::whichuser();
1390: my $url=&Apache::lonnet::studentphoto($domain,$user,'jpg');
1391: my $name=&Apache::loncommon::plainname($user,$domain);
1392:
1393: my $msg;
1394: if ($env{'form.proctorpassword'}) {
1395: $msg='<p><font color="red">'.&mt("Failed to authenticate the proctor.")
1396: .'</font></p>';
1397: }
1398: if (!$env{'form.proctordomain'}) { $env{'form.proctordomain'}=$domain; }
1399: my $result= (<<ENDCHECKOUT);
1400: <h2>Proctor Validation</h2>
1401: <p>Your room's proctor needs to validate your access to this resource.</p>
1402: $msg
1403: <form name="checkout" method="POST" action="$env{'request.uri'}">
1404: <input type="hidden" name="validate" value="yes" />
1405: <input type="hidden" name="submitted" value="yes" />
1406: <table>
1407: <tr><td>Proctor's Username:</td><td><input type="string" name="proctorname" value="$env{'form.proctorname'}" /></td></tr>
1408: <tr><td>Password:</td><td><input type="password" name="proctorpassword" value="" /></td></tr>
1409: <tr><td>Proctor's Domain:</td><td><input type="string" name="proctordomain" value="$env{'form.proctordomain'}" /></td></tr>
1410: </table>
1411: <input type="submit" name="checkoutbutton" value="Validate" /><br />
1412: <table border="1">
1413: <tr><td>
1414: <table>
1415: <tr><td colspan="2">Student who should be logged in is:</td></tr>
1416: <tr><td>Name:</td><td>$name</td></tr>
1417: <tr><td>Student ID:</td><td>$env{'environment.id'}</td></tr>
1418: <tr><td>Usename</td><td>$user\@$domain</td></tr>
1419: <tr><td colspan="2"><img src="$url" /></td></tr>
1420: </table>
1421: </tr></td>
1422: </table>
1423: </form>
1424: ENDCHECKOUT
1425: return $result;
1426: }
1427:
1428: 1;
1429: __END__
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